安全多媒體傳送格式 secure/multipurpose internet mail extension (s/mime)
多方 in many ways; in every way; with various devices 多方協(xié)助 render all manner of help; 多方阻撓 hinder in many ways; place various obstacles in the way; 多方過(guò)程 [熱學(xué)] polytropic proces
Secret sharing schemes and secure multi - party computation 密鑰共享體制與安全多方計(jì)算
To meet various needs , there have been many kinds of commitment schemes among which non - malleable commitment scheme and selective decommitment scheme are important and in general use 承諾方案在密碼學(xué)當(dāng)中有廣泛的應(yīng)用,如作為子協(xié)議應(yīng)用于零知識(shí)證明安全多方計(jì)算合同簽署等許多方面。
The millionaires ' protocol is an important secure multi - party computation protocol , in which two players compare their secret integers without leakage of further information 摘要百萬(wàn)富翁協(xié)議是一個(gè)重要的安全多方計(jì)算協(xié)議,其中兩個(gè)參與者比較他們的秘密整數(shù)的大小而不泄漏進(jìn)一步的信息。
Specifically , aiming at two widely used algorithms in data mining , naive bayesian classifier and boolean association apriori algorithm . we have brought forward two corresponding protocols incorporating privacy concerns . we have used secure multi - party computation protocols and tools to get the solutions 本文針對(duì)數(shù)據(jù)挖掘中應(yīng)用較為廣泛的樸素貝葉斯分類器和關(guān)聯(lián)規(guī)則的apriori算法,利用安全多方計(jì)算的理論和工具,給出了與其相應(yīng)的隱私性算法。
Previous protocols for determining whether a point is inside a circle are not secure enough . we present a two - round protocol for computing the distance between two private points and develop a more efficient protocol for the point - circle inclusion problem based on the distance protocol . in comparison with previous solutions , our protocol not only is more secure but also reduces the number of communication rounds and the number of modular multiplications significantly 保護(hù)私有信息的計(jì)算幾何問(wèn)題是一類特殊的安全多方計(jì)算問(wèn)題, attalah等首先提出了安全多方計(jì)算幾何的概念,介紹了點(diǎn)的包含多邊形相交判定最近點(diǎn)對(duì)及凸包問(wèn)題,并分別基于茫然傳送協(xié)議及置換協(xié)議設(shè)計(jì)了兩個(gè)不同的點(diǎn)積協(xié)議,在此基礎(chǔ)上提出了解決點(diǎn)在多邊形中的包含判定及兩個(gè)多邊形相交判定的初步方法,但正如作者所指出,其方法還不夠完善,協(xié)議效率有待進(jìn)一步改進(jìn)。